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ChemicalBook--->CAS DataBase List--->9005-82-7

9005-82-7

9005-82-7 Structure

9005-82-7 Structure
IdentificationBack Directory
[Name]

AMYLOSE
[CAS]

9005-82-7
[Synonyms]

C00718
AMYLOSE
AMYLOSE A
B-AMYLOSE
AMYLOSE B
BETA-AMYLOSE
ALPHA-AMYLOSE
Amylose chain
Aphidicolin,APC
AMYLOSE (POTATO)
STARCH CELLULOSE
AMYLOSE TYPE III
AmyloseMW=ca15000
1,4-alpha-D-Glucan
amylose from potato
AMYLOSE (MW=CA 2.800)
Amylose from potatoes
(1,4-alpha-D-Glucosyl)n
(1,4-alpha-D-Glucosyl)N+1
(1,4-alpha-D-Glucosyl)N-1
Amylose (Mw.=ca. 160,000)
Amylose B from Corn Starch
2,4-METHYL-3-PENTANOLACETATE
AMYLOSE TYPE III FROM POTATO
AMYLOSE FROM POTATO, USED AS AMYLASE
4-{(1,4)-alpha-D-Glucosyl}(N-1)-D-glucose
[EINECS(EC#)]

232-685-9
[Molecular Formula]

C18H30O16X2
[MDL Number]

MFCD00134652
[MOL File]

9005-82-7.mol
[Molecular Weight]

502.42
Chemical PropertiesBack Directory
[density ]

1.6 g/cm3
[refractive index ]

145 ° (C=2, 1mol/L NaOH)
[storage temp. ]

room temp
[solubility ]

0.05 M NaOH: 1 mg/mL, slightly turbid, colorless
[form ]

A solid
[color ]

White to off-white
[biological source]

potato
[optical activity]

+180~+210
[Merck ]

8798
[Stability:]

Hygroscopic
[EPA Substance Registry System]

Amylose(9005-82-7)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36-41
[Safety Statements ]

26-36/39-39
[WGK Germany ]

1
[HS Code ]

35051000
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

β-Cyclodextrin
Hazard InformationBack Directory
[Uses]

Amylose is a polyglucose polysaccharide which together with amylopectin makes starch(s). The glucosidic bonds of amylopectin are α-1,4 linkages. Amylose is used to identify, differentiate and characterize amylase(s). Amylose is used as a thickening agent, a gelling agent and emulsion stabilizer. Amylose is used in the preparation of films and membranes with potential use in drug delivery.
[Definition]

A polymer of GLUCOSE, a polysaccharide sugar that is found in starch.
[Definition]

amylose: A polysaccharide consistingof linear chains of between 100and 1000 linked glucose molecules.Amylose is a constituent of starch.In water, amylose reacts with iodineto give a characteristic blue colour.
[Definition]

The inner, relatively soluble portion of starch granules. Amylose is a hexosan, a polymer of glucose, and consists of long, straight chains of glucose units joined by a 1,4-glycosidic linkage. It stains blue with iodine. Microcrystalline amylose is available chiefly as a food ingredient and dietary energy source.
[Agricultural Uses]

Amylose is a type of polysaccharide and is a constituent of starch. Amylose is made up of linear links of several hundred glucose molecules. A water-amylose mixture turns blue when iodine is added to it.
[Biological Activity]

Amylose is a polyglucose polysaccharide th at makes starch(s) together with amylopectin. The glucosidic bonds of amylopectin are α-1,4 linkages. Amylose is used to identifydifferentiate and characterize amylase(s). Amylose is used as a thickening and gelling agentand emulsion stabilizer. Amylose is used to prepare films and membranes with potential use in drug delivery.
[Purification Methods]

Amylopectin is removed from impure amylose by dispersing in aqueous 15% pyridine at 80-90o (concentration 0.6-0.7%) and allowing the solution to stand at 44-45o for 7days. The precipitate is re-dispersed and recrystallises during 5days. After a further dispersion in 15% pyridine, it is cooled to 45o, allowed to stand at this temperature for 12hours, then cooled to 25o and left for a further 10hours. The combined precipitates are dispersed in warm water, precipitated with EtOH, washed with absolute EtOH, and dried in vacuo [Foster & Paschall J Am Chem Soc 75 1181 1953].
Spectrum DetailBack Directory
[Spectrum Detail]

AMYLOSE(9005-82-7)13CNMR
AMYLOSE(9005-82-7)IR1
AMYLOSE(9005-82-7)IR2
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